gcc/tree-ssa-address.h

   1 /* Header file for memory address lowering and mode selection.
   2    Copyright (C) 2013-2020 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_TREE_SSA_ADDRESS_H
  21 #define GCC_TREE_SSA_ADDRESS_H
  22
  23 /* Description of a memory address.  */
  24
  25 struct mem_address
  26 {
  27   tree symbol, base, index, step, offset;
  28 };
  29
  30 extern rtx addr_for_mem_ref (struct mem_address *, addr_space_t, bool);
  31 extern rtx addr_for_mem_ref (tree exp, addr_space_t as, bool really_expand);
  32 extern void get_address_description (tree, struct mem_address *);
  33 extern tree tree_mem_ref_addr (tree, tree);
  34 extern bool valid_mem_ref_p (machine_mode, addr_space_t, struct mem_address *);
  35 extern void move_fixed_address_to_symbol (struct mem_address *,
  36                                           class aff_tree *);
  37 tree create_mem_ref (gimple_stmt_iterator *, tree,
  38                      class aff_tree *, tree, tree, tree, bool);
  39 extern void copy_ref_info (tree, tree);
  40 tree maybe_fold_tmr (tree);
  41
  42 extern unsigned int preferred_mem_scale_factor (tree base,
  43                                                 machine_mode mem_mode,
  44                                                 bool speed);
  45 #endif /* GCC_TREE_SSA_ADDRESS_H */